Marcello Lara (born October 5, 1947, in Mexico City, Mexico), is a former professional tennis player from Mexico. He enjoyed most of his tennis success while playing doubles. During his career he won 2 doubles titles.
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents in the final | Score in the final |
|---|---|---|---|---|---|---|---|
| Winner | 1. | 1973 | Manila, Philippines | Hard | Sherwood Stewart | Jürgen Fassbender Hans-Jürgen Pohmann |
6–2, 6–0 |
| Runner-up | 1. | 1974 | Manila, Philippines | Hard | Mike Estep | Syd Ball Ross Case |
3–6, 6–7 |
| Winner | 2. | 1975 | Little Rock, U.S. | Carpet | Barry Phillips-Moore | Jeff Austin Charles Owens |
6–4, 6–3 |
| Runner-up | 2. | 1975 | Cincinnati, U.S. | Hard | Joaquin Loyo-Mayo | Phil Dent Cliff Drysdale |
6–7, 4–6 |
| Runner-up | 3. | 1977 | Bombay, India | Clay | Jasjit Singh | Mike Cahill Terry Moor |
7–6, 4–6, 4–6 |
| Runner-up | 4. | 1978 | Mexico City WCT, Mexico | Hard | Raúl Ramírez | Gene Mayer Sashi Menon |
3–6, 6–7 |
| Runner-up | 5. | 1978 | Columbus, U.S. | Clay | Eliot Teltscher | Colin Dibley Bob Giltinan |
2–6, 3–6 |
| Runner-up | 6. | 1978 | Atlanta, U.S. | Hard | Mike Cahill | John Alexander Butch Walts |
6–3, 4–6, 6–7 |